Answer
It helps prevent invasive disease caused by meningococcal group B bacteria, including meningitis and sepsis.
Sources for this answer
- Bexsero Meningococcal Group B vaccine for injection in pre-filled syringe — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.